←Back to NewsAI News/LlmsnewsLlmsBenchmarksOpenAI's GPT-6.1 Sol Matches Flagship Performance at One-Fifth the CostOpenAI's mid-tier GPT-6.1 Sol matches its flagship Astra on coding and computer-use benchmarks while charging one-fifth the token price.SourceOpenAIPublishedSep 29, 2026, 5:26 PMAuthorAlphaSignal NewsroomRead1 min readOpenAI's mid-tier GPT-6.1 Sol matches its flagship Astra on coding and computer-use benchmarks while charging one-fifth the token price.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsARC Prize · newsDeepSeek V4 Flash Slashes AI Reasoning Costs by 99% in 19 MonthsClaude · newsAnthropic's Claude Sonnet 5.5 Jumps 60 Points in Agentic CodingVals AI · newsVals AI Crowns Claude Opus 5.5 King While MiMo Costs 100x Less
